A new model for wrinkling and collapse analysis of membrane inflated beam |
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Authors: | Chang-Guo Wang Hui-Feng Tan Xing-Wen Du and Xiao-Dong He |
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Institution: | Chang-Guo Wang · Hui-Feng Tan · Xing-Wen Du · Xiao-Dong He Center for Composite Materials,Harbin Institute of Technology,Harbin 150001,China Postdoctoral Research Center in Material Science and Engineering,China |
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Abstract: | A new model is proposed to accurately predict the wrinkling and collapse loads of a membrane inflated beam. In this model,
the pressure effects are considered and a modified factor is introduced to obtain an accurate prediction. The former is achieved
by modifying the pressure-related structural parameters based on elastic small strain considerations, and the modified factor
is determined by our test data. Compared with previous models and our test data, the present model, named as shell-membrane
model, can accurately predict the wrinkling and collapse loads of membrane inflated beams. |
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Keywords: | Inflated beam · Shell-membrane · Bending · Wrinkling · Collapse |
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